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提高(gao)試(shi)(shi)(shi)驗(yan)(yan)(yan)制度執(zhi)行(xing)(xing)的(de)嚴格性在電(dian)力高(gao)壓試(shi)(shi)(shi)驗(yan)(yan)(yan)當中(zhong)，為基礎的(de)保(bao)護(hu)措(cuo)施(shi)就是(shi)嚴格執(zhi)行(xing)(xing)試(shi)(shi)(shi)驗(yan)(yan)(yan)制度，因此受(shou)到試(shi)(shi)(shi)驗(yan)(yan)(yan)人(ren)員大的(de)重視。首先，需(xu)要(yao)(yao)(yao)正確地填(tian)寫工作(zuo)(zuo)(zuo)(zuo)(zuo)票，一般(ban)在電(dian)力企(qi)業開(kai)展工作(zuo)(zuo)(zuo)(zuo)(zuo)的(de)時候，都需(xu)要(yao)(yao)(yao)開(kai)具工作(zuo)(zuo)(zuo)(zuo)(zuo)票，工作(zuo)(zuo)(zuo)(zuo)(zuo)票可以(yi)決定其試(shi)(shi)(shi)驗(yan)(yan)(yan)能(neng)(neng)否進行(xing)(xing)，因此電(dian)力高(gao)壓試(shi)(shi)(shi)驗(yan)(yan)(yan)要(yao)(yao)(yao)想開(kai)展試(shi)(shi)(shi)驗(yan)(yan)(yan)，就必須要(yao)(yao)(yao)獲取(qu)工作(zuo)(zuo)(zuo)(zuo)(zuo)票，還要(yao)(yao)(yao)遵循工作(zuo)(zuo)(zuo)(zuo)(zuo)票的(de)制度。其次，一切的(de)試(shi)(shi)(shi)驗(yan)(yan)(yan)活動都要(yao)(yao)(yao)按照相關的(de)規章制度進行(xing)(xing)，才(cai)能(neng)(neng)夠科學(xue)合(he)理地開(kai)展電(dian)力高(gao)壓試(shi)(shi)(shi)驗(yan)(yan)(yan)，做(zuo)到有章可循。后，還要(yao)(yao)(yao)評估企(qi)業的(de)抗風(feng)險能(neng)(neng)力，只(zhi)有這樣才(cai)能(neng)(neng)夠保(bao)證電(dian)力高(gao)壓試(shi)(shi)(shi)驗(yan)(yan)(yan)的(de)設計流程(cheng)有企(qi)業實際的(de)工作(zuo)(zuo)(zuo)(zuo)(zuo)能(neng)(neng)力支撐，保(bao)...

*，按照(zhao)調(diao)(diao)試要求,將(jiang)升流(liu)器及被試品接好(hao),并(bing)接好(hao)電(dian)源。第(di)二，根據(ju)被試品所需(xu)電(dian)流(liu)的大小(xiao)選擇(ze)好(hao)電(dian)流(liu)轉換(huan)開(kai)關(guan)的位(wei)(wei)置,由于(yu)電(dian)流(liu)互感器不(bu)允許開(kai)路,所以(yi)電(dian)流(liu)轉換(huan)開(kai)關(guan)只能撥到“大”或(huo)“小(xiao)”的位(wei)(wei)置，不(bu)能將(jiang)其置于(yu)中間(jian)位(wei)(wei)置。第(di)三，合(he)上(shang)電(dian)源,綠燈(deng)(deng)亮(liang)（如果綠燈(deng)(deng)不(bu)亮(liang),應將(jiang)調(diao)(diao)壓器旋鈕(niu)反(fan)時針(zhen)調(diao)(diao)至(zhi)(zhi)零,直到綠燈(deng)(deng)亮(liang)）,按下啟動按鈕(niu),綠燈(deng)(deng)滅紅(hong)燈(deng)(deng)亮(liang),順時針(zhen)旋轉調(diao)(diao)壓器手柄,將(jiang)電(dian)流(liu)升到所需(xu)值即可(ke)。第(di)四(si)，反(fan)時針(zhen)將(jiang)調(diao)(diao)壓器手柄調(diao)(diao)至(zhi)(zhi)零位(wei)(wei),按下停止(zhi)按鈕(niu),紅(hong)燈(deng)(deng)滅綠燈(deng)(deng)亮(liang),試驗結束。

1、電(dian)解(jie)(jie)(jie)液應(ying)(ying)(ying)放在(zai)6℃～8℃冰箱(xiang)中保存，開(kai)啟后(hou)的(de)(de)(de)(de)電(dian)解(jie)(jie)(jie)液瓶口要(yao)(yao)(yao)用(yong)蠟封好(hao)。2、在(zai)正常的(de)(de)(de)(de)測(ce)(ce)定(ding)中，每100毫升電(dian)解(jie)(jie)(jie)液可以與不(bu)(bu)小(xiao)于1克(ke)的(de)(de)(de)(de)水進(jin)(jin)行反(fan)應(ying)(ying)(ying)，若測(ce)(ce)定(ding)時間過長，電(dian)解(jie)(jie)(jie)液敏(min)感下降，應(ying)(ying)(ying)更換(huan)新鮮(xian)電(dian)解(jie)(jie)(jie)液。3、不(bu)(bu)要(yao)(yao)(yao)用(yong)手直接(jie)去接(jie)觸電(dian)解(jie)(jie)(jie)液，如與皮(pi)膚接(jie)觸，應(ying)(ying)(ying)用(yong)水*沖洗(xi)干(gan)凈，當(dang)使(shi)用(yong)有(you)吡(bi)啶電(dian)解(jie)(jie)(jie)液時應(ying)(ying)(ying)有(you)良好(hao)的(de)(de)(de)(de)通風設(she)施(shi)。4、本儀器的(de)(de)(de)(de)典型(xing)測(ce)(ce)定(ding)范圍(wei)是10μg-10mg，為了得到(dao)準確的(de)(de)(de)(de)測(ce)(ce)定(ding)結果，要(yao)(yao)(yao)適當(dang)地根據樣(yang)(yang)品的(de)(de)(de)(de)含水量(liang)來(lai)控(kong)制進(jin)(jin)樣(yang)(yang)量(liang)。5、進(jin)(jin)樣(yang)(yang)器的(de)(de)(de)(de)誤差：應(ying)(ying)(ying)選(xuan)用(yong)符(fu)合精度要(yao)(yao)(yao)求(qiu)的(de)(de)(de)(de)進(jin)(jin)樣(yang)(yang)器。6、操作(zuo)的(de)(de)(de)(de)速度及(ji)手對針頭的(de)(de)(de)(de)影響：抽(chou)樣(yang)(yang)要(yao)(yao)(yao)...

小功率電(dian)(dian)阻(zu)(zu)器(qi)通(tong)常(chang)為封裝在(zai)塑(su)料(liao)外殼中(zhong)的(de)(de)碳(tan)膜構成，而大(da)(da)功率的(de)(de)電(dian)(dian)阻(zu)(zu)器(qi)通(tong)常(chang)為繞線電(dian)(dian)阻(zu)(zu)器(qi)，通(tong)過(guo)將(jiang)大(da)(da)電(dian)(dian)阻(zu)(zu)率的(de)(de)金屬絲繞在(zai)瓷(ci)心上(shang)而制成。如果一個(ge)電(dian)(dian)阻(zu)(zu)器(qi)的(de)(de)電(dian)(dian)阻(zu)(zu)值接(jie)近(jin)零(ling)歐姆(例如，兩個(ge)點(dian)之(zhi)間(jian)的(de)(de)大(da)(da)截面導線)，則該(gai)電(dian)(dian)阻(zu)(zu)器(qi)對電(dian)(dian)流沒有(you)阻(zu)(zu)礙作用(yong)，并(bing)聯(lian)這(zhe)種電(dian)(dian)阻(zu)(zu)器(qi)的(de)(de)回路(lu)被短(duan)路(lu)，電(dian)(dian)流無限大(da)(da)。如果一個(ge)電(dian)(dian)阻(zu)(zu)器(qi)具有(you)無限大(da)(da)的(de)(de)或很(hen)大(da)(da)的(de)(de)電(dian)(dian)阻(zu)(zu)，則串接(jie)該(gai)電(dian)(dian)阻(zu)(zu)器(qi)的(de)(de)回路(lu)可看作開路(lu)，電(dian)(dian)流為零(ling)。工業(ye)中(zhong)常(chang)用(yong)的(de)(de)電(dian)(dian)阻(zu)(zu)器(qi)介于(yu)兩種端情(qing)況(kuang)之(zhi)間(jian)，它具有(you)一定的(de)(de)電(dian)(dian)阻(zu)(zu)，可通(tong)過(guo)一定的(de)(de)電(dian)(dian)流，但電(dian)(dian)流不像短(duan)路(lu)時那樣大(da)(da)。電(dian)(dian)阻(zu)(zu)器(qi)的(de)(de)限流作用(yong)類似于(yu)接(jie)在(zai)兩根大(da)(da)直徑管子之(zhi)間(jian)...

氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)是供(gong)電(dian)線路和供(gong)電(dian)設(she)(she)備的重要(yao)(yao)保護設(she)(she)施，如(ru)果電(dian)力系(xi)統(tong)中(zhong)避(bi)(bi)雷(lei)器(qi)(qi)老(lao)化、損壞或失效，可能(neng)會引起大(da)(da)型故(gu)障(zhang)，造成電(dian)力設(she)(she)備損壞，線路斷電(dian)。處理故(gu)障(zhang)要(yao)(yao)投(tou)入大(da)(da)量的人力物力。因(yin)此，對線路中(zhong)的氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)定(ding)期(qi)檢(jian)測(ce)(ce)能(neng)夠有效排(pai)除事(shi)故(gu)隱(yin)患，保障(zhang)電(dian)力系(xi)統(tong)運行安全(quan)，提高供(gong)電(dian)質量。為(wei)了能(neng)更好的對氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)檢(jian)測(ce)(ce)，我(wo)們生(sheng)(sheng)(sheng)產了氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)檢(jian)測(ce)(ce)儀(yi)。氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)檢(jian)測(ce)(ce)儀(yi)功(gong)能(neng)強大(da)(da)，那它主要(yao)(yao)適用于檢(jian)測(ce)(ce)哪些東西呢？1、氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)發生(sheng)(sheng)(sheng)熱(re)擊(ji)穿情況導致(zhi)氧(yang)(yang)化鋅(xin)(xin)避(bi)(bi)雷(lei)器(qi)(qi)發生(sheng)(sheng)(sheng)器(qi)(qi)熱(re)擊(ji)穿的終原因(yin)是其(qi)發熱(re)功(gong)率大(da)(da)于散熱(re)功(gong)率。氧(yang)(yang)化鋅(xin)(xin)閥片...

1、劣質油(you)(you)試(shi)驗易損壞(huai)儀(yi)器回收(shou)的(de)(de)(de)(de)未經過濾加工處理的(de)(de)(de)(de)油(you)(you)介稱(cheng)劣質油(you)(you)，含(han)(han)有相(xiang)當多(duo)的(de)(de)(de)(de)水(shui)分和雜質，它的(de)(de)(de)(de)絕緣(yuan)抗(kang)電(dian)強度多(duo)在12KV以下(xia)。特(te)別是(shi)含(han)(han)水(shui)分較多(duo)的(de)(de)(de)(de)劣質油(you)(you)，有的(de)(de)(de)(de)用(yong)戶為(wei)知其劣到什么(me)程(cheng)度，亦用(yong)測(ce)(ce)高(gao)絕緣(yuan)強度的(de)(de)(de)(de)儀(yi)器進行測(ce)(ce)試(shi)，結果對本儀(yi)器的(de)(de)(de)(de)高(gao)壓(ya)測(ce)(ce)試(shi)系統易造成損壞(huai)。正常情況下(xia)，高(gao)壓(ya)電(dian)間(jian)被(bei)絕緣(yuan)油(you)(you)介填充(chong)。測(ce)(ce)試(shi)時兩(liang)電(dian)間(jian)的(de)(de)(de)(de)電(dian)壓(ya)不(bu)斷加大(da)，不(bu)同絕緣(yuan)強度的(de)(de)(de)(de)油(you)(you)介能承(cheng)受不(bu)同值(zhi)的(de)(de)(de)(de)高(gao)壓(ya)電(dian)場(chang)，這個(ge)不(bu)斷上升的(de)(de)(de)(de)高(gao)壓(ya)電(dian)場(chang)致(zhi)使絕緣(yuan)油(you)(you)介不(bu)能承(cheng)受時則被(bei)突然擊穿(chuan)，擊穿(chuan)時的(de)(de)(de)(de)瞬變(bian)大(da)電(dian)流被(bei)儀(yi)器采集并立(li)即斷閘失去高(gao)壓(ya)轉入降壓(ya)運行。當測(ce)(ce)試(shi)含(han)(han)水(shui)分...

（1）微機繼電(dian)保護(hu)(hu)(hu)裝(zhuang)置的(de)(de)(de)(de)(de)(de)(de)廣(guang)(guang)域(yu)保護(hu)(hu)(hu)。廣(guang)(guang)域(yu)保護(hu)(hu)(hu)指的(de)(de)(de)(de)(de)(de)(de)是以(yi)廣(guang)(guang)域(yu)測量系(xi)(xi)統(tong)(tong)為基礎的(de)(de)(de)(de)(de)(de)(de)保護(hu)(hu)(hu)模式(shi)，主要應用PMU技(ji)術對(dui)(dui)電(dian)力(li)系(xi)(xi)統(tong)(tong)進(jin)行時常的(de)(de)(de)(de)(de)(de)(de)控制與檢測，并且能(neng)夠對(dui)(dui)電(dian)氣量進(jin)行細(xi)致的(de)(de)(de)(de)(de)(de)(de)采(cai)集分析以(yi)及計算(suan)。當配電(dian)網引(yin)入(ru)供電(dian)系(xi)(xi)統(tong)(tong)后，原(yuan)來的(de)(de)(de)(de)(de)(de)(de)單一(yi)式(shi)電(dian)源(yuan)(yuan)改變(bian)成了雙項式(shi)或多項式(shi)的(de)(de)(de)(de)(de)(de)(de)電(dian)源(yuan)(yuan)，這(zhe)樣就不得不對(dui)(dui)系(xi)(xi)統(tong)(tong)中各(ge)個節點(dian)電(dian)流(liu)或電(dian)壓等電(dian)氣量進(jin)行相應的(de)(de)(de)(de)(de)(de)(de)采(cai)集分析，以(yi)保證能(neng)夠對(dui)(dui)這(zhe)一(yi)時刻的(de)(de)(de)(de)(de)(de)(de)電(dian)氣量進(jin)行的(de)(de)(de)(de)(de)(de)(de)計算(suan)，這(zhe)顯現(xian)出在含有供電(dian)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)配電(dian)網中廣(guang)(guang)域(yu)保護(hu)(hu)(hu)的(de)(de)(de)(de)(de)(de)(de)重要作用。（2）含有供電(dian)系(xi)(xi)統(tong)(tong)配電(dian)網的(de)(de)(de)(de)(de)(de)(de)自適應保護(hu)(hu)(hu)。自適應保護(hu)(hu)(hu)能(neng)夠依照電(dian)力(li)系(xi)(xi)統(tong)(tong)故(gu)障狀態(tai)以(yi)及運...

一、系(xi)(xi)統(tong)(tong)(tong)發生短路時可能產(chan)生的(de)(de)后果1、通(tong)(tong)過故(gu)障(zhang)點的(de)(de)很大(da)的(de)(de)短路電(dian)(dian)流和所燃起的(de)(de)電(dian)(dian)弧，使故(gu)障(zhang)元(yuan)件損壞；2、短路電(dian)(dian)流通(tong)(tong)過非故(gu)障(zhang)元(yuan)件3、電(dian)(dian)力系(xi)(xi)統(tong)(tong)(tong)中部分(fen)地區(qu)電(dian)(dian)壓大(da)大(da)降低，破壞用(yong)戶工(gong)作(zuo)的(de)(de)穩定性或影(ying)響工(gong)廠產(chan)品的(de)(de)質量；4、破壞電(dian)(dian)力系(xi)(xi)統(tong)(tong)(tong)并列運行的(de)(de)穩定性，引起系(xi)(xi)統(tong)(tong)(tong)震蕩，甚(shen)至瓦解整個系(xi)(xi)統(tong)(tong)(tong)。二、繼(ji)(ji)電(dian)(dian)保(bao)護的(de)(de)概(gai)念(nian)：當系(xi)(xi)統(tong)(tong)(tong)一旦發生故(gu)障(zhang)時，保(bao)證系(xi)(xi)統(tong)(tong)(tong)能有選(xuan)擇性的(de)(de)、快速(su)的(de)(de)切除故(gu)障(zhang)的(de)(de)裝(zhuang)置，稱(cheng)為繼(ji)(ji)電(dian)(dian)保(bao)護裝(zhuang)置；原來實現此目前繼(ji)(ji)電(dian)(dian)器已(yi)被電(dian)(dian)子元(yuan)件及計算機替代，但仍沿用(yong)此名稱(cheng)。在店里(li)部門常用(yong)繼(ji)(ji)電(dian)(dian)保(bao)護一詞泛指機電(dian)(dian)保(bao)護技(ji)術(shu)或由(you)各種...

工(gong)頻交(jiao)(jiao)流(liu)(liu)耐(nai)壓(ya)(ya)(ya)試(shi)(shi)驗是對(dui)電(dian)(dian)氣(qi)設備(bei)絕(jue)緣(yuan)(yuan)(yuan)施加(jia)高出它的(de)(de)(de)額定(ding)(ding)工(gong)作(zuo)電(dian)(dian)壓(ya)(ya)(ya)一定(ding)(ding)值(zhi)的(de)(de)(de)工(gong)頻試(shi)(shi)驗電(dian)(dian)壓(ya)(ya)(ya)，并持(chi)續(xu)定(ding)(ding)的(de)(de)(de)時間(一般為lmin)，觀(guan)察絕(jue)緣(yuan)(yuan)(yuan)是否(fou)(fou)發生擊穿或其他異常情況。交(jiao)(jiao)流(liu)(liu)耐(nai)壓(ya)(ya)(ya)試(shi)(shi)驗對(dui)絕(jue)緣(yuan)(yuan)(yuan)的(de)(de)(de)考驗是相當嚴格的(de)(de)(de)，通過這(zhe)項(xiang)試(shi)(shi)驗，可以發現很多絕(jue)緣(yuan)(yuan)(yuan)缺陷，尤其是對(dui)集中性絕(jue)緣(yuan)(yuan)(yuan)缺陷的(de)(de)(de)檢查更(geng)為有(you)效可以鑒定(ding)(ding)電(dian)(dian)氣(qi)設備(bei)的(de)(de)(de)耐(nai)電(dian)(dian)強度，判(pan)斷電(dian)(dian)氣(qi)設備(bei)能(neng)否(fou)(fou)繼續(xu)運行。交(jiao)(jiao)流(liu)(liu)耐(nai)壓(ya)(ya)(ya)試(shi)(shi)驗是保(bao)證電(dian)(dian)氣(qi)設備(bei)絕(jue)緣(yuan)(yuan)(yuan)水平，避免發生絕(jue)緣(yuan)(yuan)(yuan)事故(gu)的(de)(de)(de)重(zhong)要手段。此外，由于分(fen)層介質(zhi)在交(jiao)(jiao)、直(zhi)流(liu)(liu)電(dian)(dian)壓(ya)(ya)(ya)下的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)分(fen)布是不相同(tong)的(de)(de)(de)，交(jiao)(jiao)流(liu)(liu)電(dian)(dian)壓(ya)(ya)(ya)是按(an)介質(zhi)的(de)(de)(de)電(dian)(dian)容成反比分(fen)布，直(zhi)流(liu)(liu)電(dian)(dian)壓(ya)(ya)(ya)是按(an)介...

據(ju)氣(qi)(qi)(qi)象專家介(jie)紹，“空(kong)(kong)氣(qi)(qi)(qi)濕(shi)(shi)度(du)”是指空(kong)(kong)氣(qi)(qi)(qi)中(zhong)所含水(shui)汽的(de)大小(xiao)，濕(shi)(shi)度(du)越(yue)大表(biao)示空(kong)(kong)氣(qi)(qi)(qi)越(yue)潮(chao)濕(shi)(shi)，水(shui)汽距離飽(bao)和(he)程度(du)越(yue)近。通常(chang)我們用相(xiang)對濕(shi)(shi)度(du)來表(biao)示空(kong)(kong)氣(qi)(qi)(qi)濕(shi)(shi)度(du)的(de)大小(xiao)。在一定(ding)溫(wen)度(du)條件下，空(kong)(kong)氣(qi)(qi)(qi)相(xiang)對濕(shi)(shi)度(du)越(yue)小(xiao)，人(ren)體汗液(ye)蒸發越(yue)快，人(ren)的(de)感覺越(yue)涼快。冬季和(he)春季白天一般濕(shi)(shi)度(du)為20％左(zuo)(zuo)右，夜晚一般在70％左(zuo)(zuo)右，由于冬春季節(jie)濕(shi)(shi)度(du)太小(xiao)，人(ren)們往(wang)往(wang)有不(bu)舒服(fu)的(de)感覺，有時還(huan)出(chu)現嘴唇干(gan)裂、鼻孔出(chu)血、喉頭燥癢等現象。數字溫(wen)濕(shi)(shi)度(du)計產品特征：響(xiang)應時間快，測量度(du)高(gao)為2％RH帶背光的(de)雙顯示屏大的(de)液(ye)晶顯示屏可以(yi)顯示濕(shi)(shi)度(du)/溫(wen)度(du)，濕(shi)(shi)度(du)/露點;濕(shi)(shi)度(du)/...